4. Fluid reaction surfaces (i.e., impellers)
  5. Sustained ancillary movement of rotary working member
  6. Responsive to gravity or working fluid force

Everett A. Powell, Jr.

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Apparatus and method for reducing effects of draft tube pressure

Rotary kinetic fluid motors or pumps – Method of operation
Patent

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Centrifugal pump having resistant components

Rotary kinetic fluid motors or pumps – Bearing – seal – or liner between runner portion and static part – Means to seal radial flow pump runner inlet from outlet
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Centrifugal pump with hydraulic thrust balance and tandem axial

Rotary kinetic fluid motors or pumps – With shaft connected fluid force subjected thrust balancing... – Fluid force on opposite face of blade or blade support member
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Centrifugal slurry pump

Rotary kinetic fluid motors or pumps – Runner or blade selectively adjustable relative to casing – Axially adjusted
Patent

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Main helicopter rotor

Fluid reaction surfaces (i.e. – impellers) – Sustained ancillary movement of rotary working member – Responsive to fixed actuator
Patent

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